Chemical Formulas Practice

What is HCl
(hydrochloric acid) made up of?

• 1 hydrogen, 1 carbon,  1 Iodine
• 1 hydrogen & 2 carbons
• 1 hydrogen & 1 chlorine
• 1 hydrogen & 2 chlorine

Tags

NGSS.MS-PS1-1

What is H₂SO₄ 
(Sulfuric Acid) made up of?

• 2 hydrogen, 1 sulfur, 4 oxygen
• 1 hydrogen, 2 sulfur, 4 oxygen
• 2 hydrogen & 4 sodium
• 1 hydrogen & 6 sodium

Tags

NGSS.MS-PS1-1

What is NaHCO₃ 
(Baking Soda) made up of?

• 1 sodium, 1 hydrogen,
  1 carbon, 3 oxygen
• 1 sodium, 1 hydrogen, 3 cobalt
• 1 nitrogen, 1 hydrogen, 3 cobalt
• 1 nitrogen, 1 hydrogen, 3 cobalt

Tags

NGSS.MS-PS1-1

Which of the following is the chemical formula for salt?

• H₂O

• NaCl

• HCl

• SaLt

Which of the following is not a compound?

• HCl

• Cl

• NaCl

• CO₂

Tags

NGSS.MS-PS1-1

Water, H₂O, can be classified as.....

• Element
• Compound
• Heterogeneous Mixture
• Homogeneous Mixture

Tags

NGSS.MS-PS1-1

How many elements are represented in the compound?
Na₂CO₃

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

The blue numbers in the image below represent ________

• I don't know, and don't want to try
• coefficients
• subscripts
• none of the answers are correct

Tags

NGSS.MS-PS1-1

The one or two letters used to represent elements 

• Yield sign
• Coefficient
• Symbol
• Subscript

How many Oxygen atoms are in this formula: H2SO4

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1